


Extrema Ratio RAO C Crossbar Lock Folding Knife Gray 4″ N690
$368.00 — taxes calculated at checkout
Characteristics
| Blade Length | 4" |
| Closed Length | 5.13" |
| Lock Type | Crossbar Lock |
| Color | Gray |
| Blade Material | Bohler N690 stainless |
| Blade Finish | MIL-C-13924 burnished |
| Handle Material | aluminum |
| Package Type | Boxed. |
Available
Extrema Ratio RAO C Crossbar Lock Gray Folding Knife N690
Italian-made precision folder with a rock-solid crossbar lock and lightning-fast deployment.
- Blade: 4" Böhler N690 stainless steel, black MIL-C-13924 burnished finish, drop point grind
- Handle: Gray anodized aluminum, ergonomic design with lanyard hole
- Overall Length: 6.5" closed (5.13" when folded)
- Weight: 0.66 lb — lightweight without sacrificing durability
- Carry: Pocket clip for secure, discreet EDC
- Made in Italy by Extrema Ratio, trusted by professionals
- Includes: Original box
N690 steel holds an edge longer than most stainless options and resists corrosion in demanding conditions. The crossbar lock is one of the most reliable mechanisms in the knife world — no wiggle, no play. Perfect for everyday carry, tactical use, or collection-grade Italian craftsmanship.
Product SKU: EX0176BLKGRY
Product Brand: Extrema Ratio
Product Price: 273.7
Price Valid Until:
The RAO C is a folding knife with a 4-inch Bohler N690 stainless blade finished in MIL-C-13924 burnished black, paired with a gray anodized aluminum handle. The crossbar lock mechanism provides reliable blade retention, while the 5.13-inch closed length keeps the knife compact enough for pocket carry—a lanyard hole and pocket clip are included for carry options.







